Finding the Fourth Proportional to 2,574.06, 3,857.70 and 1,404.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.06 : 3,857.70 = 1,404.54 : x
2. Step 2: Convert to fraction form
   2,574.06/3,857.70 = 1,404.54/x
3. Step 3: Cross multiply
   2,574.06x = 3,857.70 × 1,404.54
4. Step 4: Simplify right side
   2,574.06x = 5,418,293.96
5. Step 5: Solve for x
   x = 5,418,293.96/2,574.06
6. Step 6: Final answer
   x = 2,104.96